<p><em> emphasis </em></p>
<p><em>emphasis: </em>some text</p>
<p><em>repeat: </em>again</p>

<p><b> bold </b></p>
<p><b>bold: </b>some text</p>
<p><b>repeat: </b>again</p>

<p><strike> strike </strike></p>
<p><strike>strike: </strike>some text</p>
<p><strike>strike: </strike>again</p>

<p>separate<em> emphasis</em> some more text</p>

<!-- Various punctuation has no space  -->
<p><em>emphasis</em>.</p>
<p><em>emphasis</em>?</p>
<p><em>emphasis</em>!</p>
<p>(<em>emphasis</em>)</p>
<p>[<b>bold</b>}</p>
<p>(<strike>strike</strike>]</p>

<!-- Strong and strike characters have space  -->
<p>*<b>bold</b></p>
<p>~<strike>strike</strike></p>

<p><em>em1</em><em>em2</em></p>
